oblicz i rozpisz:zadania : a) 420:60+8100:90= b) (230+70):(147-107+10)= c) 70*(22-17)+75:(12+13)= d) 60*3-(2*35-5*7):7= e) 9do potegi 2 +9*2= f) 4do potegi 3 -4*3= g) (2+3)do potegi 2 +4*8= h) 4*(6do potegi2 +2do potegi3)= i) 8do potegi 3 -2*10do potegi 2=
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a) 420:60+8100:90=7+90 = 97
b) (230+70):(147-107+10)=300:50 = 6
c) 70*(22-17)+75:(12+13)=70*5 + 75:25 = 350+3 = 353
d) 60*3-(2*35-5*7):7= 180-(70-35):7 = 180-35:7 = 180-5 = 175
e) 9² +9*2= 81+18 = 99
f) 4³ -4*3= 64-12 = 52
g) (2+3)² +4*8= 5²+32 = 25+32 = 57
h) 4*(6² +2³)= 4*(36+8) = 4*44 = 176
i) 8³ -2*10²= 512-2*100 = 512-200 = 312
a) 420:60+8100:90=7+ 90=97
b) (230+70):(147-107+10)=300: 50=6
c) 70*(22-17)+75:(12+13)=70* 5+75:25=350+3=353
d) 60*3-(2*35-5*7):7=180-(70-35):7=180-35:7=180-5=175
e) 9do potegi 2 +9*2=81+18=99
f) 4do potegi 3 -4*3=64-12= 52
g) (2+3)do potegi 2 +4*8=25+32=57
h) 4*(6do potegi2 +2do potegi3)=4*(36+8)=4* 44=176
i) 8do potegi 3 -2*10do potegi 2=512-2*100=512-200=312
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